Mermaid Man Costume Guide

mermaid man diy costume guide for cosplay and halloween

This is a deep cut for fans of SpongeBob Squarepants… like, DEEP SEA cut. Mermaid Man is a beloved cult hero from the classic Nickelodeon show, and is sure get more than a few laughs when you show up to your next Halloween party or convention as the retired aquatic superhero.

With our easy-to-follow guide on making your own Mermaid Man costume, you are sure to get a good laugh at your next maritime-inspired costume party.

If you wish to save the day or just look really cool, this costume is perfect for cosplayers of all levels. So grab your supplies, and let’s get started!


How to Dress Like Mermaid Man

The first step to dressing like Mermaid Man is to get the right clothes. You’ll need an orange suit, a seashell bikini top, and a purple starfish to put over your nose. If you can’t find all of these items, don’t worry! You can always make them yourself.

The costume includes the following pieces:

  • An orange long-sleeved shirt
  • Green gloves
  • Green spandex tights
  • Black speedo
  • Yellow belt with an M as a buckle
  • Pink fuzzy slippers
  • A purple seashell bikini top
  • A purple starfish over the nose
  • White hair (either a wig or makeup can be used to achieve this)

Orange Shirt

Mermaid Man wears a long-sleeved orange shirt. Try using a rash guard or swim shirt to fit the aquatic theme. You can find one at most retail stores or online.

Shorts & Leggings

TYR Sport Men's Square Leg Short Swim Suit,Navy,30
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2Pairs Women's 80Denier Semi Opaque Solid Color Footed Pantyhose Tights (S-M, Green)
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Green Gloves

He wears some long green superhero gloves, but any kind of gloves will do. You could even wear a pair of those latex cleaning gloves for this part of the costume.

Seashell Bikini Top

Mermaid Man’s seashell bikini top is unique to his look. You can find a seashell bra at most costume stores or make your own by gluing shells to an old bikini top.

Smiffys Hawaiian Seashell Bra
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Starfish Nose Covering

You’ll need a starfish to cover your nose. you can accomplish this in a few different ways, but the easiest and most cost-effective solution is to use purple face paint to paint on a star.

Snazaroo Classic Face and Body Paint, 18ml, Purple
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Belt

Mermaid Man wears a simple yellow belt with a gold buckle which features a large ‘M’ for Mermaid Man. You can find one at most retail stores or online.

maikun Womens Leather Belts Removable Letter M Plate Buckle Waist Belt 1.18" Width Halloween
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Pink Slippers

Mermaid Man wears pink slippers with his costume. Any pink slipper will do, so have fun with this part of the costume and pick out a pair that you like.

Jiyaru Women's Solid Fuzzy Round Toe Soft Indoor Winter Slippers Pink S
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DIY Costume Tutorials

About Mermaid Man’s Look

Meet Mermaid Man, the ultimate underwater superhero! He’s the protector of Bikini Bottom, and he’s not afraid to take on any villain that comes his way including the nefarious Plankton. With his trusty sidekick Barnacle Boy by his side, they’re a dynamic duo you don’t want to mess with. Mermaid Man is known for his epic catchphrases like “EVIL, BEWARE!” and “I’m ready!” but now spends most of his days at Shady Shoals Retirement Home.

Don’t let his old age fool you, he’s still got it! Even though he’s a little forgetful these days, he’s still the hero that Bikini Bottom looks up to and loves. So, if you ever need a superhero, just give Mermaid Man a call, he’s always ready for adventure!

Wrapping Up

Okay, that’s all there is to it. You’re now ready to become Mermaid Man for cosplay or Halloween. Enjoy yourself, and don’t forget to post pictures on social media so we can relive the moment with you. We can’t wait to see what you come up with!

Barnacle Boy is your reliable undersea companion, so the two of you together will have the crowd at the convention or Halloween party in fits of laughter with your outrageous outfit.